Home / 4,896.78-6,755.79-3,219.11

Finding the Fourth Proportional to 4,896.78, 6,755.79 and 3,219.11

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Solution

The fourth proportional to 4,896.78, 6,755.79 and 3,219.11 is: 4,441.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,896.78 : 6,755.79 = 3,219.11 : x
  2. Step 2: Convert to fraction form
    4,896.78/6,755.79 = 3,219.11/x
  3. Step 3: Cross multiply
    4,896.78x = 6,755.79 × 3,219.11
  4. Step 4: Simplify right side
    4,896.78x = 21,747,631.15
  5. Step 5: Solve for x
    x = 21,747,631.15/4,896.78
  6. Step 6: Final answer
    x = 4,441.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.